<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--准备好一个"容器"-->

<div id="test"></div>

<!--引入库-->
<script type="text/javascript" src="../js/react.development.js"></script>
<script type="text/javascript" src="../js/react-dom.development.js"></script>
<script type="text/javascript" src="../js/babel.min.js"></script>


<script type="text/babel">
    //1.创建虚拟DOM
    class Demo extends React.Component{
        render() {
            return (
                <div>
                    <input ref="input1" type="text" placeholder="点击按钮提示数据"/>
                    <button ref="button1" onClick={this.showData}>点我提示左侧数据</button>
                    <input ref="input2" onBlur={this.showData2} type="text" placeholder="失去焦点提示数据"/>
                </div>
            );
        }
        //展示左侧输入框的数据
        showData = ()=>{
            const {input1} = this.refs;
            alert(input1.value);
        };

        showData2 = ()=>{
            const {input2} = this.refs;
            alert(input2.value);
        }
    }
    //2.渲染虚拟DOM到页面
    ReactDOM.render(<Demo/>,document.getElementById('test'));
</script>

</body>
</html>
